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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2015-12-04 23:49:17 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-09 01:25:01 +0100 |
| commit | 14b6257a5f3dca3817b0826cb32967e3c2b935c8 (patch) | |
| tree | caf824c65fb41b7678056fda79a40c180001b87c /include/linux/device.h | |
| parent | 4077a387b79f41e262e9e7332a23b24860407b18 (diff) | |
| download | blackbird-obmc-linux-14b6257a5f3dca3817b0826cb32967e3c2b935c8.tar.gz blackbird-obmc-linux-14b6257a5f3dca3817b0826cb32967e3c2b935c8.zip | |
device core: add BUS_NOTIFY_DRIVER_NOT_BOUND notification
The users of BUS_NOTIFY_BIND_DRIVER have no chance to do any cleanup in case of
a probe failure. In the result there might be problems, such as some resources
that had been allocated will continue to be allocated and therefore lead to a
resource leak.
Introduce a new notification to inform the subscriber that ->probe() failed. Do
the same in case of failed device_bind_driver() call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/device.h')
| -rw-r--r-- | include/linux/device.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index b8f411b57dcb..f627ba20a46c 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -191,6 +191,7 @@ extern int bus_unregister_notifier(struct bus_type *bus, unbound */ #define BUS_NOTIFY_UNBOUND_DRIVER 0x00000007 /* driver is unbound from the device */ +#define BUS_NOTIFY_DRIVER_NOT_BOUND 0x00000008 /* driver fails to be bound */ extern struct kset *bus_get_kset(struct bus_type *bus); extern struct klist *bus_get_device_klist(struct bus_type *bus); |
